Distribution Properties of the 6.7 GHz Methanol Masers and Their Surrounding Gases in the Milky Way

Tian Yang, Xi Chen, Yan-Kun Zhang +4

An updated catalog consisting of 1092 6.7-GHz methanol maser sources was reported in this work. Additionally, the NH3 (1, 1), NH3 (2, 2), and NH3 (3, 3) transitions were observed t…